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I'm a well-known mainframe performance guy, with almost 30 years of experience helping customers manage systems. I also dabble in lots of other technology. I've sought to widen the Performance role, incorporating aspects of infrastructural architecture.
I'm a world-famous podcaster and screencaster (albeit VERY thinly spread). :-)

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As I mentioned in this blog post DFSORT just shipped a new FINDREP function to do "find and replace". I mentioned an example of where I might use it to replace SMFIDs in SMF records. That example generally works well. But suppose (say, for SMF 42-6 Data Set Performance records) I want to replace "SYS1" with "MVSA" but don't want to replace "SYS1." with "MVSA.". There's something useful about... [More]